import turtle

turtle1 = turtle.Pen()
d=20
if(d<47):
    turtle1.color('green')
else:
    turtle1.color('blue')
turtle1.circle(d)
d+=7
if(d<47):
    turtle1.color('green')
else:
    turtle1.color('blue')
turtle1.circle(d)
d+=7
if(d<47):
    turtle1.color('green')
else:
    turtle1.color('blue')
turtle1.circle(d)
d+=7
if(d<47):
    turtle1.color('green')
else:
    turtle1.color('blue')
turtle1.circle(d)
d+=7
if(d<47):
    turtle1.color('green')
else:
    turtle1.color('blue')
turtle1.circle(d)
d+=7
if(d<47):
    turtle1.color('green')
else:
    turtle1.color('blue')
turtle1.circle(d)
d+=7
if(d<47):
    turtle1.color('green')
else:
    turtle1.color('blue')
turtle1.circle(d)
d+=7
if(d<47):
    turtle1.color('green')
else:
    turtle1.color('blue')
turtle1.circle(d)
d+=7
if(d<47):
    turtle1.color('green')
else:
    turtle1.color('blue')
turtle1.circle(d)
d+=7
if(d<47):
    turtle1.color('green')
else:
    turtle1.color('blue')
turtle1.circle(d)
d+=7

turtle.mainloop()